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OS laggy after echoing a string in file descriptors 0,1,2 (stdin, stdout, stderr)

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I was trying to exploit capacity leaking to a C program, by taking advantage of the non-existence of fclose() function to a file, that the program previously opened. In short, the exploitation included the following command sudo echo some_random_string >&3 The thing is I run the same command using >&2, >&1 and >&0 as well … Continue reading "OS laggy after echoing a string in file descriptors 0,1,2 (stdin, stdout, stderr)"

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